Both recent events and updated forecasts for the not-too-distant future are making it more apparent that public infrastructure systems in the U.S. must respond to a growing urgency for more structural and operational resiliency. On an American Society of Civil Engineers news site, Mikhail Chester, a Fulton Schools associate professor of civil, environmental and sustainable engineering, is joined by colleague Constantine Samaras at Carnegie Mellon University in issuing a warning about the costs of inaction as challenges presented by a warming and more volatile climate continue to become more serious. Power utilities, transportation systems and other essential facilities and services are at risk if defenses against the destructive consequences of climate change, cybersecurity breaches and similar increasingly dire threats are not put in place.